Quick 'n' Dirty Build Profiling

profile-build.ps1

$user = [Security.Principal.WindowsIdentity]::GetCurrent();
$isAdmin = (New-Object Security.Principal.WindowsPrincipal $user).IsInRole([Security.Principal.WindowsBuiltinRole]::Administrator)
if (-Not $isAdmin)
{
	Start-Process pwsh -Wait -Verb RunAs -ArgumentList "-Command $PSCommandPath $args; pause"
	return
}

$fileName = $args
if ($fileName)
{
	$singleFile = "-File=`"${fileName}`""
}

$useWPA = $false
$usePerfetto = $true
$vcperf = "C:\Program Files\Microsoft Visual Studio\2022\Professional\VC\Tools\MSVC\14.35.32215\bin\Hostx86\x86\vcperf.exe"

.$vcperf /stopnoanalyze build-profile build-profile-raw.etl
Remove-Item build-profile-raw.etl 2>&1 | Out-Null
Remove-Item build-profile.etl 2>&1 | Out-Null
Remove-Item build-profile.json 2>&1 | Out-Null

function AnalyzeAndOpenInWPA
{
	if ($useWPA)
	{
		.$vcperf /analyze /templates build-profile-raw.etl build-profile.etl && `
		wpa -i build-profile.etl
	}
}

function AnalyzeAndOpenInPerfetto
{
	if ($usePerfetto)
	{
		.$vcperf /analyze /templates build-profile-raw.etl /timetrace build-profile.json && `
		python (Get-Command open_trace_in_ui.py).Source -i build-profile.json
	}
}

# TODO: /noadmin https://github.com/microsoft/vcperf/issues/35
.$vcperf /start /level3 build-profile && `
Write-Host Build.bat DragonEditor Win64 DebugGame $singleFile && `
.\Engine\Build\BatchFiles\Build.bat DragonEditor Win64 DebugGame $singleFile && `
.$vcperf /stopnoanalyze build-profile build-profile-raw.etl && `
AnalyzeAndOpenInWPA && `
AnalyzeAndOpenInPerfetto